Home / 919,158.36-1,378,774.62-320,180.10

Finding the Fourth Proportional to 919,158.36, 1,378,774.62 and 320,180.10

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Solution

The fourth proportional to 919,158.36, 1,378,774.62 and 320,180.10 is: 480,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,158.36 : 1,378,774.62 = 320,180.10 : x
  2. Step 2: Convert to fraction form
    919,158.36/1,378,774.62 = 320,180.10/x
  3. Step 3: Cross multiply
    919,158.36x = 1,378,774.62 × 320,180.10
  4. Step 4: Simplify right side
    919,158.36x = 441,456,195,709.06
  5. Step 5: Solve for x
    x = 441,456,195,709.06/919,158.36
  6. Step 6: Final answer
    x = 480,283.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.